Friday Perl Challenge

Luis Motta Campos luismottacampos at
Fri Apr 20 14:15:54 BST 2007

On Apr 20, 2007, at 2:04 PM, Joel Bernstein wrote:
> On Fri, Apr 20, 2007 at 01:19:57PM +0200, Luis Motta Campos wrote:
>>   Do I win extra points for using a /e regexp? :-)
> Yes, but you lose them again for using $&...

   I choosed them instead of using capturing parentesis, that are  
forbidden... :-(

>> perl -nle 's{\S+}{$w{$&}++;}eg}{print"$_,$w{$_}"for sort keys%w'
> Your ; inside the s{}{} is superfluous

   Yes. That makes it a char shorter:

perl -nle 's{\S+}{$w{$&}++}eg}{print"$_,$w{$_}"for sort keys%w'

Luis Motta Campos (a.k.a. Monsieur Champs) is a software engineer,
Perl fanatic evangelist, and amateur {cook, photographer}

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